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Audio Amplifer & Other Audio Product Tables:

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LM48100Q - 1.25W Audio Power Amplifier with Load Sense and Fault Detect

 

Audio Application Diagrams:

PDF Selection Guides:

  • Analog Product Guide (including audio amps, audio subsystems, microphone amps, noise suppression, etc.)
  • Automotive Solutions
  • Personal Mobile Devices
  • Professional & Broadcast Video Products
  • And more...

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Audio Amplifier & Other Audio Product Evaluation Boards:

WEBENCH® Audio Designer

  

Audio Design Resources:

Audio Technical Support

 

Hear audio noise suppression online demo

 

National's LM4562 has been awarded as a winner in EDN magazine's list of Hot 100 Products and in Electronic Product's 2006 Product of the Year Awards.

 

 

The LM4562 is a Dual High Performance, High Fidelity Audio Operational Amplifier. The LM4562 features an ultra-low THD of 0.00003% and is optimized for superior audio signal fidelity.

 

 

 

 

 

  

Audio Amplifier Online Education:

Signal-Path Designer
 Published every other month, Signal-Path Designer's feature articles cover signal-path design techniques.

 

 

 

 
WEBENCH® Audio Designer

WHAT'S NEW
Audio Products
  • Mono, 1.3W Auto Grade Audio Power Amplifier with Output Fault Detection and Volume Control
  • High Performance, High Fidelity Current Feedback Audio Operational Amplifier
  • High Performance, High Fidelity Rail-to-Rail Input/Output Audio Operational Amplifier
  • Dual Input, Far Field Noise Suppression Microphone Amplifier
  • High Performance, High Fidelity, High Current Audio Buffer
  • Mono Class AB Audio Sub-System with a True-Ground Headphone Amplifier
  • Enhanced Emissions Suppression Stereo Class D Audio Sub-System with Ground Referenced Headphone Amplifier
  • Boomer Audio Power Amplifier Series Audio Sub-System with an Ultra Low EMI, Spread Spectrum, Class D Loudspeaker Amplifier, a Dual-Mode Stereo Headphone Amplifier, and a Dedicated Interface for Bluetooth Transceivers
  • Filterless 2.2W Class D Audio Subsystem with OCL Headphone Amplifier, 3D Enhancement, and Headphone Sense
  • Stereo Class D Audio Subsystem with OCL Headphone Amplifier
  • Audio Sub-System with Mono Class AB Loudspeaker Amplifier and Stereo OCL/SE Headphone Amplifier

 

 

Audio Application Notes
  • AN-1849 - An Audio Amplifier Power Supply Design
  • AN-1768 - LME49600 Headphone Amplifier Evaluation Board User's Guide
  • AN-1622 - LM49100 Evaluation Board User's Guide
  • AN-1567 - LM4949 Demonstration Board
  • AN-1591 - The LM49370 PCM/I 2 S Bridge

 

Audio Evaluation Boards
  • LME49720NABD - 34V High Performance, High Fidelity Dual Audio Operational Amplifier
  • LME49720HABD - 34V High Performance, High Fidelity Dual Audio Operational Amplifier
  • LME49720MABD - 34V High Performance, High Fidelity Dual Audio Operational Amplifier
  • LMV1088RLEVAL - Evaluation Kit for the LMV1088RL

 

Audio Models & Software
  • Spice Model for LM4562, LME49710, LME49720, and LME49740 (zip file)
  • Audio Selection Guide Software


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